1 Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Glasgow, UK; West of Scotland Pancreatic Unit, Glasgow Royal Infirmary, Glasgow, UK. Electronic address: stephan.dreyer@glasgow.ac.uk.
2 Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Glasgow, UK; West of Scotland Pancreatic Unit, Glasgow Royal Infirmary, Glasgow, UK.
3 Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Glasgow, UK; Cancer Research UK Beatson Institute, Glasgow, UK.
4 Wolfson Wohl Cancer Research Centre, Institute of Cancer Sciences, University of Glasgow, Glasgow, UK; West of Scotland Pancreatic Unit, Glasgow Royal Infirmary, Glasgow, UK. Electronic address: david.chang@glasgow.ac.uk.